An Inquistive Result on DFS Problem of Binary Trees. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 5, n. 7, p. 5953–5958, 2017. DOI: 10.18535/ijsrm/v5i7.22. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/781. Acesso em: 7 apr. 2025.